Reactivity of p53 protein in canine transmissible venereal tumor

The expression of p53 protein was evaluated in canine transmissible venereal tumor (CTVT), as following: natural occurrence (n=8); resistant to chemotherapy (n=4); and allogeneic transplanted in progression (n=8), stable (n=8), and regression (n=8)stages. The collected specimens were submitted to GM1 immunohistochemical reaction. Results showed a mean percentage of immunomarked cells around 18.6% in CTVT of natural occurrence, 23.8% in CTVT resistant to chemotherapy, 22.9% in allogeneic transplanted CTVT in both progression and stable stages, and 35.8% in transplanted CTVT in regression stage. The results suggest that there is a functional abnormality in p53 gene and its products in the studied tumors; although, it is not possible to correlate the percentage of cells marked by p53 and a prognosis.

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Bibliographic Details
Main Authors: Moro,J.V., Tinucci-Costa,M., Silveira,A.C.T., Gerardi,D.G., Alessi,A.C.
Format: Digital revista
Language:English
Published: Universidade Federal de Minas Gerais, Escola de Veterinária 2010
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-09352010000200011
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